git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java

   1 /*
   2  * Copyright © 2012-2013 Mike Beattie <mike@ethernal.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.AltosDroid;
  19
  20 import java.lang.ref.WeakReference;
  21 import java.util.ArrayList;
  22 import java.util.Timer;
  23 import java.util.TimerTask;
  24 import java.text.*;
  25
  26 import android.app.Activity;
  27 import android.app.PendingIntent;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.bluetooth.BluetoothDevice;
  30 import android.content.Intent;
  31 import android.content.Context;
  32 import android.content.ComponentName;
  33 import android.content.ServiceConnection;
  34 import android.content.DialogInterface;
  35 import android.os.IBinder;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.Message;
  39 import android.os.Messenger;
  40 import android.os.RemoteException;
  41 import android.content.res.Resources;
  42 import android.support.v4.app.FragmentActivity;
  43 import android.support.v4.app.FragmentManager;
  44 import android.util.DisplayMetrics;
  45 import android.view.Menu;
  46 import android.view.MenuInflater;
  47 import android.view.MenuItem;
  48 import android.view.Window;
  49 import android.view.View;
  50 import android.view.LayoutInflater;
  51 import android.widget.TabHost;
  52 import android.widget.TextView;
  53 import android.widget.RelativeLayout;
  54 import android.widget.Toast;
  55 import android.app.AlertDialog;
  56 import android.location.Location;
  57 import android.hardware.usb.*;
  58
  59 import org.altusmetrum.altoslib_7.*;
  60
  61 public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
  62
  63         // Actions sent to the telemetry server at startup time
  64
  65         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  66         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  67
  68         // Message types received by our Handler
  69
  70         public static final int MSG_STATE           = 1;
  71         public static final int MSG_UPDATE_AGE      = 2;
  72
  73         // Intent request codes
  74         public static final int REQUEST_CONNECT_DEVICE = 1;
  75         public static final int REQUEST_ENABLE_BT      = 2;
  76         public static final int REQUEST_PRELOAD_MAPS   = 3;
  77         public static final int REQUEST_MAP_TYPE       = 4;
  78
  79         public int map_type = AltosMap.maptype_hybrid;
  80
  81         public static FragmentManager   fm;
  82
  83         private BluetoothAdapter mBluetoothAdapter = null;
  84
  85         // Flight state values
  86         private TextView mCallsignView;
  87         private TextView mRSSIView;
  88         private TextView mSerialView;
  89         private TextView mFlightView;
  90         private RelativeLayout mStateLayout;
  91         private TextView mStateView;
  92         private TextView mAgeView;
  93
  94         // field to display the version at the bottom of the screen
  95         private TextView mVersion;
  96
  97         private double frequency;
  98         private int telemetry_rate;
  99
 100         // Tabs
 101         TabHost         mTabHost;
 102         AltosViewPager  mViewPager;
 103         TabsAdapter     mTabsAdapter;
 104         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 105         int             tabHeight;
 106
 107         // Timer and Saved flight state for Age calculation
 108         private Timer timer;
 109         AltosState saved_state;
 110
 111         UsbDevice       pending_usb_device;
 112         boolean         start_with_usb;
 113
 114         // Service
 115         private boolean mIsBound   = false;
 116         private Messenger mService = null;
 117         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 118
 119         // Text to Speech
 120         private AltosVoice mAltosVoice = null;
 121
 122         // The Handler that gets information back from the Telemetry Service
 123         static class IncomingHandler extends Handler {
 124                 private final WeakReference<AltosDroid> mAltosDroid;
 125                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 126
 127                 @Override
 128                 public void handleMessage(Message msg) {
 129                         AltosDroid ad = mAltosDroid.get();
 130
 131                         switch (msg.what) {
 132                         case MSG_STATE:
 133                                 AltosDebug.debug("MSG_STATE");
 134                                 TelemetryState telemetry_state = (TelemetryState) msg.obj;
 135                                 if (telemetry_state == null) {
 136                                         AltosDebug.debug("telemetry_state null!");
 137                                         return;
 138                                 }
 139
 140                                 ad.update_state(telemetry_state);
 141                                 break;
 142                         case MSG_UPDATE_AGE:
 143                                 AltosDebug.debug("MSG_UPDATE_AGE");
 144                                 ad.update_age();
 145                                 break;
 146                         }
 147                 }
 148         };
 149
 150
 151         private ServiceConnection mConnection = new ServiceConnection() {
 152                 public void onServiceConnected(ComponentName className, IBinder service) {
 153                         mService = new Messenger(service);
 154                         try {
 155                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 156                                 msg.replyTo = mMessenger;
 157                                 mService.send(msg);
 158                         } catch (RemoteException e) {
 159                                 // In this case the service has crashed before we could even do anything with it
 160                         }
 161                         if (pending_usb_device != null) {
 162                                 try {
 163                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 164                                         pending_usb_device = null;
 165                                 } catch (RemoteException e) {
 166                                 }
 167                         }
 168                 }
 169
 170                 public void onServiceDisconnected(ComponentName className) {
 171                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 172                         mService = null;
 173                 }
 174         };
 175
 176         void doBindService() {
 177                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 178                 mIsBound = true;
 179         }
 180
 181         void doUnbindService() {
 182                 if (mIsBound) {
 183                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 184                         if (mService != null) {
 185                                 try {
 186                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 187                                         msg.replyTo = mMessenger;
 188                                         mService.send(msg);
 189                                 } catch (RemoteException e) {
 190                                         // There is nothing special we need to do if the service has crashed.
 191                                 }
 192                         }
 193                         // Detach our existing connection.
 194                         unbindService(mConnection);
 195                         mIsBound = false;
 196                 }
 197         }
 198
 199         public void registerTab(AltosDroidTab mTab) {
 200                 mTabs.add(mTab);
 201         }
 202
 203         public void unregisterTab(AltosDroidTab mTab) {
 204                 mTabs.remove(mTab);
 205         }
 206
 207         public void units_changed(boolean imperial_units) {
 208                 for (AltosDroidTab mTab : mTabs)
 209                         mTab.units_changed(imperial_units);
 210         }
 211
 212         void update_title(TelemetryState telemetry_state) {
 213                 switch (telemetry_state.connect) {
 214                 case TelemetryState.CONNECT_CONNECTED:
 215                         if (telemetry_state.config != null) {
 216                                 String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
 217                                                            telemetry_state.frequency);
 218                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 219                                         str = str.concat(String.format(" %d bps",
 220                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 221                                 setTitle(str);
 222                         } else {
 223                                 setTitle(R.string.title_connected_to);
 224                         }
 225                         break;
 226                 case TelemetryState.CONNECT_CONNECTING:
 227                         if (telemetry_state.address != null)
 228                                 setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
 229                         else
 230                                 setTitle("Connecting to something...");
 231                         break;
 232                 case TelemetryState.CONNECT_DISCONNECTED:
 233                 case TelemetryState.CONNECT_NONE:
 234                         setTitle(R.string.title_not_connected);
 235                         break;
 236                 }
 237         }
 238
 239         void start_timer() {
 240                 if (timer == null) {
 241                         timer = new Timer();
 242                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 243                 }
 244         }
 245
 246         void stop_timer() {
 247                 if (timer != null) {
 248                         timer.cancel();
 249                         timer.purge();
 250                         timer = null;
 251                 }
 252         }
 253
 254         boolean registered_units_listener;
 255
 256         void update_state(TelemetryState telemetry_state) {
 257
 258                 if (!registered_units_listener) {
 259                         registered_units_listener = true;
 260                         AltosPreferences.register_units_listener(this);
 261                 }
 262
 263                 update_title(telemetry_state);
 264                 update_ui(telemetry_state.state, telemetry_state.location);
 265                 if (telemetry_state.connect == TelemetryState.CONNECT_CONNECTED)
 266                         start_timer();
 267         }
 268
 269         boolean same_string(String a, String b) {
 270                 if (a == null) {
 271                         if (b == null)
 272                                 return true;
 273                         return false;
 274                 } else {
 275                         if (b == null)
 276                                 return false;
 277                         return a.equals(b);
 278                 }
 279         }
 280
 281         void update_age() {
 282                 if (saved_state != null)
 283                         mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
 284         }
 285
 286         void update_ui(AltosState state, Location location) {
 287
 288                 int prev_state = AltosLib.ao_flight_invalid;
 289
 290                 AltosGreatCircle from_receiver = null;
 291
 292                 if (saved_state != null)
 293                         prev_state = saved_state.state;
 294
 295                 if (state != null) {
 296                         if (state.state == AltosLib.ao_flight_stateless) {
 297                                 boolean prev_locked = false;
 298                                 boolean locked = false;
 299
 300                                 if(state.gps != null)
 301                                         locked = state.gps.locked;
 302                                 if (saved_state != null && saved_state.gps != null)
 303                                         prev_locked = saved_state.gps.locked;
 304                                 if (prev_locked != locked) {
 305                                         String currentTab = mTabHost.getCurrentTabTag();
 306                                         if (locked) {
 307                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 308                                         } else {
 309                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
 310                                         }
 311                                 }
 312                         } else {
 313                                 if (prev_state != state.state) {
 314                                         String currentTab = mTabHost.getCurrentTabTag();
 315                                         switch (state.state) {
 316                                         case AltosLib.ao_flight_boost:
 317                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 318                                                 break;
 319                                         case AltosLib.ao_flight_drogue:
 320                                                 if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 321                                                 break;
 322                                         case AltosLib.ao_flight_landed:
 323                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 324                                                 break;
 325                                         case AltosLib.ao_flight_stateless:
 326                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 327                                                 break;
 328                                         }
 329                                 }
 330                         }
 331
 332                         if (location != null && state.gps != null && state.gps.locked) {
 333                                 double altitude = 0;
 334                                 if (location.hasAltitude())
 335                                         altitude = location.getAltitude();
 336                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 337                                                                      location.getLongitude(),
 338                                                                      altitude,
 339                                                                      state.gps.lat,
 340                                                                      state.gps.lon,
 341                                                                      state.gps.alt);
 342                         }
 343
 344                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 345                                 mCallsignView.setText(state.callsign);
 346                         }
 347                         if (saved_state == null || state.serial != saved_state.serial) {
 348                                 mSerialView.setText(String.format("%d", state.serial));
 349                         }
 350                         if (saved_state == null || state.flight != saved_state.flight) {
 351                                 if (state.flight == AltosLib.MISSING)
 352                                         mFlightView.setText("");
 353                                 else
 354                                         mFlightView.setText(String.format("%d", state.flight));
 355                         }
 356                         if (saved_state == null || state.state != saved_state.state) {
 357                                 if (state.state == AltosLib.ao_flight_stateless) {
 358                                         mStateLayout.setVisibility(View.GONE);
 359                                 } else {
 360                                         mStateView.setText(state.state_name());
 361                                         mStateLayout.setVisibility(View.VISIBLE);
 362                                 }
 363                         }
 364                         if (saved_state == null || state.rssi != saved_state.rssi) {
 365                                 mRSSIView.setText(String.format("%d", state.rssi));
 366                         }
 367                 }
 368
 369                 for (AltosDroidTab mTab : mTabs)
 370                         mTab.update_ui(state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 371
 372                 if (state != null && mAltosVoice != null)
 373                         mAltosVoice.tell(state, from_receiver);
 374
 375                 saved_state = state;
 376         }
 377
 378         private void onTimerTick() {
 379                 try {
 380                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 381                 } catch (RemoteException e) {
 382                 }
 383         }
 384
 385         static String pos(double p, String pos, String neg) {
 386                 String  h = pos;
 387                 if (p == AltosLib.MISSING)
 388                         return "";
 389                 if (p < 0) {
 390                         h = neg;
 391                         p = -p;
 392                 }
 393                 int deg = (int) Math.floor(p);
 394                 double min = (p - Math.floor(p)) * 60.0;
 395                 return String.format("%d°%9.4f\" %s", deg, min, h);
 396         }
 397
 398         static String number(String format, double value) {
 399                 if (value == AltosLib.MISSING)
 400                         return "";
 401                 return String.format(format, value);
 402         }
 403
 404         static String integer(String format, int value) {
 405                 if (value == AltosLib.MISSING)
 406                         return "";
 407                 return String.format(format, value);
 408         }
 409
 410         private View create_tab_view(String label) {
 411                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 412                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 413                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 414                 text_view.setText(label);
 415                 return tab_view;
 416         }
 417
 418         @Override
 419         public void onCreate(Bundle savedInstanceState) {
 420                 super.onCreate(savedInstanceState);
 421                 AltosDebug.init(this);
 422                 AltosDebug.debug("+++ ON CREATE +++");
 423
 424                 fm = getSupportFragmentManager();
 425
 426                 // Set up the window layout
 427                 setContentView(R.layout.altosdroid);
 428
 429                 // Create the Tabs and ViewPager
 430                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 431                 mTabHost.setup();
 432
 433                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 434                 mViewPager.setOffscreenPageLimit(4);
 435
 436                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 437
 438                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator(create_tab_view("Pad")), TabPad.class, null);
 439                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator(create_tab_view("Ascent")), TabAscent.class, null);
 440                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator(create_tab_view("Descent")), TabDescent.class, null);
 441                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator(create_tab_view("Landed")), TabLanded.class, null);
 442                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator(create_tab_view("Map")), TabMap.class, null);
 443                 mTabsAdapter.addTab(mTabHost.newTabSpec("offmap").setIndicator(create_tab_view("OffMap")), TabMapOffline.class, null);
 444
 445                 // Display the Version
 446                 mVersion = (TextView) findViewById(R.id.version);
 447                 mVersion.setText("Version: " + BuildInfo.version +
 448                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 449                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 450
 451                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 452                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 453                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 454                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 455                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 456                 mStateView     = (TextView) findViewById(R.id.state_value);
 457                 mAgeView       = (TextView) findViewById(R.id.age_value);
 458         }
 459
 460         private boolean ensureBluetooth() {
 461                 // Get local Bluetooth adapter
 462                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 463
 464                 // If the adapter is null, then Bluetooth is not supported
 465                 if (mBluetoothAdapter == null) {
 466                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 467                         return false;
 468                 }
 469
 470                 if (!mBluetoothAdapter.isEnabled()) {
 471                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 472                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 473                 }
 474
 475                 return true;
 476         }
 477
 478         private boolean check_usb() {
 479                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 480
 481                 if (device != null) {
 482                         Intent          i = new Intent(this, AltosDroid.class);
 483                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 484
 485                         if (AltosUsb.request_permission(this, device, pi)) {
 486                                 connectUsb(device);
 487                         }
 488                         start_with_usb = true;
 489                         return true;
 490                 }
 491
 492                 start_with_usb = false;
 493
 494                 return false;
 495         }
 496
 497         private void noticeIntent(Intent intent) {
 498
 499                 /* Ok, this is pretty convenient.
 500                  *
 501                  * When a USB device is plugged in, and our 'hotplug'
 502                  * intent registration fires, we get an Intent with
 503                  * EXTRA_DEVICE set.
 504                  *
 505                  * When we start up and see a usb device and request
 506                  * permission to access it, that queues a
 507                  * PendingIntent, which has the EXTRA_DEVICE added in,
 508                  * along with the EXTRA_PERMISSION_GRANTED field as
 509                  * well.
 510                  *
 511                  * So, in both cases, we get the device name using the
 512                  * same call. We check to see if access was granted,
 513                  * in which case we ignore the device field and do our
 514                  * usual startup thing.
 515                  */
 516
 517                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 518                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 519
 520                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 521
 522                 if (!granted)
 523                         device = null;
 524
 525                 if (device != null) {
 526                         AltosDebug.debug("intent has usb device " + device.toString());
 527                         connectUsb(device);
 528                 } else {
 529
 530                         /* 'granted' is only false if this intent came
 531                          * from the request_permission call and
 532                          * permission was denied. In which case, we
 533                          * don't want to loop forever...
 534                          */
 535                         if (granted) {
 536                                 AltosDebug.debug("check for a USB device at startup");
 537                                 if (check_usb())
 538                                         return;
 539                         }
 540                         AltosDebug.debug("Starting by looking for bluetooth devices");
 541                         if (ensureBluetooth())
 542                                 return;
 543                         finish();
 544                 }
 545         }
 546
 547         @Override
 548         public void onStart() {
 549                 super.onStart();
 550                 AltosDebug.debug("++ ON START ++");
 551
 552                 noticeIntent(getIntent());
 553
 554                 // Start Telemetry Service
 555                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 556
 557                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 558
 559                 doBindService();
 560
 561                 if (mAltosVoice == null)
 562                         mAltosVoice = new AltosVoice(this);
 563
 564         }
 565
 566         @Override
 567         public void onNewIntent(Intent intent) {
 568                 super.onNewIntent(intent);
 569                 AltosDebug.debug("onNewIntent");
 570                 noticeIntent(intent);
 571         }
 572
 573         @Override
 574         public void onResume() {
 575                 super.onResume();
 576                 AltosDebug.debug("+ ON RESUME +");
 577         }
 578
 579         @Override
 580         public void onPause() {
 581                 super.onPause();
 582                 AltosDebug.debug("- ON PAUSE -");
 583         }
 584
 585         @Override
 586         public void onStop() {
 587                 super.onStop();
 588                 AltosDebug.debug("-- ON STOP --");
 589
 590                 doUnbindService();
 591                 if (mAltosVoice != null) {
 592                         mAltosVoice.stop();
 593                         mAltosVoice = null;
 594                 }
 595         }
 596
 597         @Override
 598         public void onDestroy() {
 599                 super.onDestroy();
 600                 AltosDebug.debug("--- ON DESTROY ---");
 601
 602                 if (mAltosVoice != null) mAltosVoice.stop();
 603                 stop_timer();
 604         }
 605
 606         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 607                 AltosDebug.debug("onActivityResult " + resultCode);
 608                 switch (requestCode) {
 609                 case REQUEST_CONNECT_DEVICE:
 610                         // When DeviceListActivity returns with a device to connect to
 611                         if (resultCode == Activity.RESULT_OK) {
 612                                 connectDevice(data);
 613                         }
 614                         break;
 615                 case REQUEST_ENABLE_BT:
 616                         // When the request to enable Bluetooth returns
 617                         if (resultCode == Activity.RESULT_OK) {
 618                                 // Bluetooth is now enabled, so set up a chat session
 619                                 //setupChat();
 620                         } else {
 621                                 // User did not enable Bluetooth or an error occured
 622                                 AltosDebug.error("BT not enabled");
 623                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 624                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 625                                 finish();
 626                         }
 627                         break;
 628                 case REQUEST_MAP_TYPE:
 629                         if (resultCode == Activity.RESULT_OK)
 630                                 set_map_type(data);
 631                         break;
 632                 }
 633         }
 634
 635         private void connectUsb(UsbDevice device) {
 636                 if (mService == null)
 637                         pending_usb_device = device;
 638                 else {
 639                         // Attempt to connect to the device
 640                         try {
 641                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 642                                 AltosDebug.debug("Sent OPEN_USB message");
 643                         } catch (RemoteException e) {
 644                                 AltosDebug.debug("connect device message failed");
 645                         }
 646                 }
 647         }
 648
 649         private void connectDevice(Intent data) {
 650                 // Attempt to connect to the device
 651                 try {
 652                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 653                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 654
 655                         AltosDebug.debug("Connecting to " + address + " " + name);
 656                         DeviceAddress   a = new DeviceAddress(address, name);
 657                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 658                         AltosDebug.debug("Sent connecting message");
 659                 } catch (RemoteException e) {
 660                         AltosDebug.debug("connect device message failed");
 661                 }
 662         }
 663
 664         private void disconnectDevice() {
 665                 try {
 666                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 667                 } catch (RemoteException e) {
 668                 }
 669         }
 670
 671         private void set_map_type(Intent data) {
 672                 int type = data.getIntExtra(MapTypeActivity.EXTRA_MAP_TYPE, -1);
 673
 674                 AltosDebug.debug("intent set_map_type %d\n", type);
 675                 if (type != -1) {
 676                         map_type = type;
 677                         for (AltosDroidTab mTab : mTabs)
 678                                 mTab.set_map_type(map_type);
 679                 }
 680         }
 681
 682         @Override
 683         public boolean onCreateOptionsMenu(Menu menu) {
 684                 MenuInflater inflater = getMenuInflater();
 685                 inflater.inflate(R.menu.option_menu, menu);
 686                 return true;
 687         }
 688
 689         void setFrequency(double freq) {
 690                 try {
 691                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 692                 } catch (RemoteException e) {
 693                 }
 694         }
 695
 696         void setFrequency(String freq) {
 697                 try {
 698                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 699                 } catch (ParseException e) {
 700                 }
 701         }
 702
 703         void setBaud(int baud) {
 704                 try {
 705                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 706                 } catch (RemoteException e) {
 707                 }
 708         }
 709
 710         void setBaud(String baud) {
 711                 try {
 712                         int     value = Integer.parseInt(baud);
 713                         int     rate = AltosLib.ao_telemetry_rate_38400;
 714                         switch (value) {
 715                         case 2400:
 716                                 rate = AltosLib.ao_telemetry_rate_2400;
 717                                 break;
 718                         case 9600:
 719                                 rate = AltosLib.ao_telemetry_rate_9600;
 720                                 break;
 721                         case 38400:
 722                                 rate = AltosLib.ao_telemetry_rate_38400;
 723                                 break;
 724                         }
 725                         setBaud(rate);
 726                 } catch (NumberFormatException e) {
 727                 }
 728         }
 729
 730         @Override
 731         public boolean onOptionsItemSelected(MenuItem item) {
 732                 Intent serverIntent = null;
 733                 switch (item.getItemId()) {
 734                 case R.id.connect_scan:
 735                         if (ensureBluetooth()) {
 736                                 // Launch the DeviceListActivity to see devices and do scan
 737                                 serverIntent = new Intent(this, DeviceListActivity.class);
 738                                 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 739                         }
 740                         return true;
 741                 case R.id.disconnect:
 742                         /* Disconnect the device
 743                          */
 744                         disconnectDevice();
 745                         return true;
 746                 case R.id.quit:
 747                         AltosDebug.debug("R.id.quit");
 748                         disconnectDevice();
 749                         finish();
 750                         return true;
 751                 case R.id.select_freq:
 752                         // Set the TBT radio frequency
 753
 754                         final String[] frequencies = {
 755                                 "Channel 0 (434.550MHz)",
 756                                 "Channel 1 (434.650MHz)",
 757                                 "Channel 2 (434.750MHz)",
 758                                 "Channel 3 (434.850MHz)",
 759                                 "Channel 4 (434.950MHz)",
 760                                 "Channel 5 (435.050MHz)",
 761                                 "Channel 6 (435.150MHz)",
 762                                 "Channel 7 (435.250MHz)",
 763                                 "Channel 8 (435.350MHz)",
 764                                 "Channel 9 (435.450MHz)"
 765                         };
 766
 767                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 768                         builder_freq.setTitle("Pick a frequency");
 769                         builder_freq.setItems(frequencies,
 770                                          new DialogInterface.OnClickListener() {
 771                                                  public void onClick(DialogInterface dialog, int item) {
 772                                                          setFrequency(frequencies[item]);
 773                                                  }
 774                                          });
 775                         AlertDialog alert_freq = builder_freq.create();
 776                         alert_freq.show();
 777                         return true;
 778                 case R.id.select_rate:
 779                         // Set the TBT baud rate
 780
 781                         final String[] rates = {
 782                                 "38400",
 783                                 "9600",
 784                                 "2400",
 785                         };
 786
 787                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 788                         builder_rate.setTitle("Pick a baud rate");
 789                         builder_rate.setItems(rates,
 790                                          new DialogInterface.OnClickListener() {
 791                                                  public void onClick(DialogInterface dialog, int item) {
 792                                                          setBaud(rates[item]);
 793                                                  }
 794                                          });
 795                         AlertDialog alert_rate = builder_rate.create();
 796                         alert_rate.show();
 797                         return true;
 798                 case R.id.change_units:
 799                         boolean imperial = AltosPreferences.imperial_units();
 800                         AltosPreferences.set_imperial_units(!imperial);
 801                         return true;
 802                 case R.id.preload_maps:
 803                         serverIntent = new Intent(this, PreloadMapActivity.class);
 804                         startActivityForResult(serverIntent, REQUEST_PRELOAD_MAPS);
 805                         return true;
 806                 case R.id.map_type:
 807                         serverIntent = new Intent(this, MapTypeActivity.class);
 808                         startActivityForResult(serverIntent, REQUEST_MAP_TYPE);
 809                         return true;
 810                 }
 811                 return false;
 812         }
 813
 814 }